CN108659335A - A kind of high tenacity 3D printing composite material and preparation method - Google Patents
A kind of high tenacity 3D printing composite material and preparation method Download PDFInfo
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- CN108659335A CN108659335A CN201810417416.1A CN201810417416A CN108659335A CN 108659335 A CN108659335 A CN 108659335A CN 201810417416 A CN201810417416 A CN 201810417416A CN 108659335 A CN108659335 A CN 108659335A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y70/00—Materials specially adapted for additive manufacturing
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
Abstract
The invention discloses a kind of high tenacity 3D printing composite material and preparation methods, are related to 3D printing Material Field, include the raw material of following parts by weight meter：37 parts of 40 50 parts of polypropylene, 30 40 parts of polyethylene terephthalate, 18 26 parts of lignin, 8 15 parts of polypropylene fibre, 59 parts of nanometer silica gel, 6 10 parts of aerosil, 59 parts of blanc fixe, 59 parts of silicon carbide, 48 parts of tung oil, 24 parts of 2 methylimidazole, 1.8 3.5 parts of coupling agent and plasticizer；Composite material of the present invention is acted on by the coordinated between raw material components, has good toughness, and the cracking resistance for improving material is excellent, and dimensional stability is high, and material processability is high, and preparation method is simple, has a wide range of application.
Description
Technical field
The present invention relates to 3D printing Material Fields, and in particular to a kind of high tenacity 3D printing composite material and its prepares system
Preparation Method.
Background technology
3D printing, i.e. one kind of rapid shaping technique, it be one kind based on digital model file, with powdered gold
Belong to or the adhesive materials such as plastics, constructs the technology of object by layer-by-layer printing.3D printing is typically using number
Technologic material printer is realized.Often be used for modeling in fields such as mold manufacturing, industrial designs, after be gradually available for one
The direct manufacture of a little products has had using parts made of the printing of this technology.The technology is set in jewelry, footwear, industry
Meter, building, engineering and construction (AEC), automobile, aerospace, dentistry and medical industries, education, GIS-Geographic Information System, building work
Journey, gun and other field are all applied.
3D printing common used material has gypsum material, titanium alloy etc materials at present.But existing 3D printing material is still deposited
In the low disadvantage of flexibility difference and cracking resistance, the market demand cannot be met.
Invention content
For problems of the prior art, the present invention provides a kind of high tenacity 3D printing composite material and its systems
Preparation Method, composite material of the present invention are acted on by the coordinated between raw material components, are had good toughness, are improved material
Cracking resistance is excellent, and dimensional stability is high, and material processability is high, and preparation method is simple, has a wide range of application.
In order to achieve the above object, the present invention is achieved through the following technical solutions：
A kind of high tenacity 3D printing composite material includes the raw material of following parts by weight meter：
40-50 parts of polypropylene, 30-40 parts of polyethylene terephthalate, 18-26 parts of lignin, polypropylene fibre 8-
15 parts, 5-9 parts of nanometer silica gel, 6-10 parts of aerosil, 5-9 parts of blanc fixe, 5-9 parts of silicon carbide, 4-8 parts of tung oil, 2-
3-7 parts of 2-4 parts of methylimidazole, 1.8-3.5 parts of coupling agent and plasticizer.
Preferably, include the raw material of following parts by weight meter：43-47 parts of polypropylene, polyethylene terephthalate 33-37
Part, 21-23 parts of lignin, 10-13 parts of polypropylene fibre, 6-8 parts of nanometer silica gel, 7-9 parts of aerosil, barite 6-8
Part, 6-8 parts of silicon carbide, 5-7 parts of tung oil, 2.5-3.5 parts of 2-methylimidazole, 2.4-2.9 parts of coupling agent and 5-7 parts of plasticizer.
Preferably, include the raw material of following parts by weight meter：45 parts of polypropylene, 35 parts of polyethylene terephthalate, wood
22 parts of quality, 12 parts of polypropylene fibre, 7 parts of nanometer silica gel, 8 parts of aerosil, 7 parts of barite, 7 parts of silicon carbide, tung oil 6
Part, 3 parts of 2-methylimidazole, 2.7 parts of coupling agent and 6 parts of plasticizer.
Preferably, the coupling agent is any one of titanate coupling agent, aluminate coupling agent or silane coupling agent.
Preferably, the plasticizer is in dioctyl phthalate, tributyl 2-acetylcitrate and epoxidized soybean oil
One or more combine.
A kind of preparation method of above-mentioned high tenacity 3D printing composite material is also disclosed in the present invention, specifically, including
Following steps：
(1) each component is weighed according to the raw material weight number of high tenacity 3D printing composite material；
(2) lignin, polypropylene fibre, nanometer silica gel, aerosil, blanc fixe, silicon carbide are respectively placed in
It is 4-7 hours dry in vacuum drying oven；
(3) by lignin, polypropylene fibre, nanometer silica gel, aerosil, blanc fixe, the silicon carbide after drying
It is added in high-speed mixer, is warming up to 50-60 degrees Celsius, after mixing 3-6 minutes, silane coupling agent is added and tung oil continues to mix
10-15 minutes, polypropylene and polyethylene terephthalate is added, is warming up to 75-90 degrees Celsius, after mixing 5-10 minutes,
2-methylimidazole and plasticizer is added, mixes 15-20 minutes；
(4) mixture made from step (3) is placed on double screw extruder in 250-260 degrees Celsius of lower extruding pelletization,
It by pellet after drying, then is squeezed out by single screw extrusion machine, under the active force of dragger, draws silk material, pass through winding
Machine is wound to get the high tenacity 3D printing composite material.
Preferably, the temperature of vacuum drying oven is 70-80 degrees Celsius in the step (1).
Preferably, pellet drying is small for pellet to be placed in dry 4-6 in 80-90 degrees Celsius of baking oven in the step (4)
When.
Preferably, the desired temperature of the single screw extrusion machine is：20O-210 degrees Celsius of feeding section；Compression section 220-
230 degrees Celsius；245-250 degrees Celsius of metering section；220-230 degrees Celsius of mouth mold section.
The present invention has following advantageous effect：
(1) composite material of the present invention is acted on by the coordinated between raw material components, is had good toughness, is improved material
The cracking resistance of material is excellent, and dimensional stability is high, and material processability is high, and preparation method is simple, has a wide range of application.
(2) the present invention provides a kind of preparation method of high tenacity 3D printing composite material, lignin, polypropylene are fine
It is dry in the vacuum drying oven that dimension, nanometer silica gel, aerosil, blanc fixe, silicon carbide are respectively placed in, remove packing material size
The moisture on surface prevents the moisture evaporation on filler surface from influencing the property of polymer fused matter, after solid packing is mixed, is added
Tung oil and silane coupling agent are overlying on surface, add resin, enhance the compatibility and caking property of inorganic matter and polymer, by double
In multiple screw extruder after extruding pelletization, pellet is dried again, removes moisture removal, prevents last silk material surface from being influenced by vapor
It is uneven, influence the property of material, it is ensured that the planarization and aesthetics on silk material surface.
Specific implementation mode
The specific implementation mode of the present invention is further described with reference to embodiment, following embodiment is only used for more
Technical scheme of the present invention is clearly demonstrated, and not intended to limit the protection scope of the present invention.
Embodiment 1
A kind of high tenacity 3D printing composite material includes the raw material of following parts by weight meter：
40 parts of polypropylene, 30 parts of polyethylene terephthalate, 18 parts of lignin, 8 parts of polypropylene fibre, nanometer silica gel
5 parts, 6 parts of aerosil, 5 parts of blanc fixe, 5 parts of silicon carbide, 4 parts of tung oil, 2 parts of 2-methylimidazole, 1.8 parts of coupling agent and
3 parts of plasticizer.
Coupling agent is titanate coupling agent.
Plasticizer is dioctyl phthalate.
A kind of preparation method of above-mentioned high tenacity 3D printing composite material is also disclosed in the present embodiment, specifically, packet
Include following steps：
(1) each component is weighed according to the raw material weight number of high tenacity 3D printing composite material；
(2) lignin, polypropylene fibre, nanometer silica gel, aerosil, blanc fixe, silicon carbide are respectively placed in
It is 4 hours dry in 70 degrees Celsius of vacuum drying oven；
(3) by lignin, polypropylene fibre, nanometer silica gel, aerosil, blanc fixe, the silicon carbide after drying
It is added in high-speed mixer, is warming up to 50 degrees Celsius, after mixing 3 minutes, silane coupling agent is added and tung oil continues 10 points of mixing
Polypropylene and polyethylene terephthalate is added in clock, is warming up to 75 degrees Celsius, after five minutes, 2-methylimidazole is added in mixing
And plasticizer, it mixes 15 minutes；
(4) mixture made from step (3) is placed on double screw extruder in 250 degrees Celsius of lower extruding pelletizations, pellet
Drying 4 hours in 80 degrees Celsius of baking oven are placed in, pellet squeezes out after drying, then by single screw extrusion machine, and single screw rod is squeezed
The desired temperature for going out machine is：20O degrees Celsius of feeding section；220 degrees Celsius of compression section；245 degrees Celsius of metering section；Mouth mold section 220
Degree Celsius, under the active force of dragger, silk material is drawn, is wound by winder and is used to get the high tenacity 3D printing
Composite material.
Embodiment 2
A kind of high tenacity 3D printing composite material includes the raw material of following parts by weight meter：
50 parts of polypropylene, 40 parts of polyethylene terephthalate, 26 parts of lignin, 15 parts of polypropylene fibre, nano-silicon
9 parts of glue, 10 parts of aerosil, 9 parts of blanc fixe, 9 parts of silicon carbide, 8 parts of tung oil, 4 parts of 2-methylimidazole, coupling agent 3.5
7 parts of part and plasticizer.
Coupling agent is aluminate coupling agent.
Plasticizer is tributyl 2-acetylcitrate.
A kind of preparation method of above-mentioned high tenacity 3D printing composite material is also disclosed in the present embodiment, specifically, packet
Include following steps：
(1) each component is weighed according to the raw material weight number of high tenacity 3D printing composite material；
(2) lignin, polypropylene fibre, nanometer silica gel, aerosil, blanc fixe, silicon carbide are respectively placed in
It is 7 hours dry in 80 degrees Celsius of vacuum drying oven；
(3) by lignin, polypropylene fibre, nanometer silica gel, aerosil, blanc fixe, the silicon carbide after drying
It is added in high-speed mixer, is warming up to 60 degrees Celsius, after mixing 6 minutes, silane coupling agent is added and tung oil continues 15 points of mixing
Polypropylene and polyethylene terephthalate is added in clock, is warming up to 90 degrees Celsius, after ten minutes, 2- methyl miaows are added in mixing
Azoles and plasticizer mix 20 minutes；
(4) mixture made from step (3) is placed on double screw extruder in 260 degrees Celsius of lower extruding pelletizations, by grain
Material is placed in drying 6 hours in 90 degrees Celsius of baking oven, and pellet squeezes out after drying, then by single screw extrusion machine, single screw rod
The desired temperature of extruder is：210 degrees Celsius of feeding section；230 degrees Celsius of compression section；250 degrees Celsius of metering section；Mouth mold section
230 degrees Celsius, under the active force of dragger, silk material is drawn, is wound to get the high tenacity 3D printing by winder
Use composite material.
Embodiment 3
A kind of high tenacity 3D printing composite material includes the raw material of following parts by weight meter：
43 parts of polypropylene, 33 parts of polyethylene terephthalate, 21 parts of lignin, 10 parts of polypropylene fibre, nano-silicon
6 parts of glue, 7 parts of aerosil, 6 parts of barite, 6 parts of silicon carbide, 5 parts of tung oil, 2.5 parts of 2-methylimidazole, 2.4 parts of coupling agent
With 5 parts of plasticizer.
Coupling agent is silane coupling agent.
Plasticizer is epoxidized soybean oil.
A kind of preparation method of above-mentioned high tenacity 3D printing composite material is also disclosed in the present embodiment, specifically, packet
Include following steps：
(1) each component is weighed according to the raw material weight number of high tenacity 3D printing composite material；
(2) lignin, polypropylene fibre, nanometer silica gel, aerosil, blanc fixe, silicon carbide are respectively placed in
It is 5 hours dry in 75 degrees Celsius of vacuum drying oven；
(3) by lignin, polypropylene fibre, nanometer silica gel, aerosil, blanc fixe, the silicon carbide after drying
It is added in high-speed mixer, is warming up to 56 degrees Celsius, mixing after five minutes, is added silane coupling agent and tung oil continues 13 points of mixing
Polypropylene and polyethylene terephthalate is added in clock, is warming up to 80 degrees Celsius, and after mixing 6 minutes, 2-methylimidazole is added
And plasticizer, it mixes 17 minutes；
(4) mixture made from step (3) is placed on double screw extruder in 252 degrees Celsius of lower extruding pelletizations, by grain
Material is placed in drying 5 hours in 85 degrees Celsius of baking oven, and pellet squeezes out after drying, then by single screw extrusion machine, single screw rod
The desired temperature of extruder is：205 degrees Celsius of feeding section；225 degrees Celsius of compression section；248 degrees Celsius of metering section；Mouth mold section
225 degrees Celsius, under the active force of dragger, silk material is drawn, is wound to get the high tenacity 3D printing by winder
Use composite material.
Embodiment 4
A kind of high tenacity 3D printing composite material includes the raw material of following parts by weight meter：
47 parts of polypropylene, 37 parts of polyethylene terephthalate, 23 parts of lignin, 13 parts of polypropylene fibre, nano-silicon
8 parts of glue, 9 parts of aerosil, 8 parts of barite, 8 parts of silicon carbide, 7 parts of tung oil, 3.5 parts of 2-methylimidazole, 2.9 parts of coupling agent
With 7 parts of plasticizer.
Coupling agent is silane coupling agent.
Plasticizer is dioctyl phthalate.
A kind of preparation method of above-mentioned high tenacity 3D printing composite material is also disclosed in the present embodiment, specifically, packet
Include following steps：
(1) each component is weighed according to the raw material weight number of high tenacity 3D printing composite material；
(2) lignin, polypropylene fibre, nanometer silica gel, aerosil, blanc fixe, silicon carbide are respectively placed in
It is 6 hours dry in 74 degrees Celsius of vacuum drying oven；
(3) by lignin, polypropylene fibre, nanometer silica gel, aerosil, blanc fixe, the silicon carbide after drying
It is added in high-speed mixer, is warming up to 57 degrees Celsius, after mixing 4 minutes, silane coupling agent is added and tung oil continues 14 points of mixing
Polypropylene and polyethylene terephthalate is added in clock, is warming up to 85 degrees Celsius, and after mixing 8 minutes, 2-methylimidazole is added
And plasticizer, it mixes 18 minutes；
(4) mixture made from step (3) is placed on double screw extruder in 257 degrees Celsius of lower extruding pelletizations, single spiral shell
The desired temperature of bar extruder is：208 degrees Celsius of feeding section；224 degrees Celsius of compression section；247 degrees Celsius of metering section；Mouth mold section
223 degrees Celsius, pellet squeezes out after drying, then by single screw extrusion machine, under the active force of dragger, draws silk material,
It is wound to get the high tenacity 3D printing composite material by winder.
Embodiment 5
A kind of high tenacity 3D printing composite material includes the raw material of following parts by weight meter：
45 parts of polypropylene, 35 parts of polyethylene terephthalate, 22 parts of lignin, 12 parts of polypropylene fibre, nano-silicon
7 parts of glue, 8 parts of aerosil, 7 parts of barite, 7 parts of silicon carbide, 6 parts of tung oil, 3 parts of 2-methylimidazole, 2.7 parts of coupling agent and
6 parts of plasticizer.
Coupling agent is titanate coupling agent.
Plasticizer is tributyl 2-acetylcitrate.
A kind of preparation method of above-mentioned high tenacity 3D printing composite material is also disclosed in the present embodiment, specifically, packet
Include following steps：
(1) each component is weighed according to the raw material weight number of high tenacity 3D printing composite material；
(2) lignin, polypropylene fibre, nanometer silica gel, aerosil, blanc fixe, silicon carbide are respectively placed in
It is 6 hours dry in 74 degrees Celsius of vacuum drying oven；
(3) by lignin, polypropylene fibre, nanometer silica gel, aerosil, blanc fixe, the silicon carbide after drying
It is added in high-speed mixer, is warming up to 58 degrees Celsius, mixing after five minutes, is added silane coupling agent and tung oil continues 13 points of mixing
Polypropylene and polyethylene terephthalate is added in clock, is warming up to 86 degrees Celsius, and after mixing 9 minutes, 2-methylimidazole is added
And plasticizer, it mixes 19 minutes；
(4) mixture made from step (3) is placed on double screw extruder in 252 degrees Celsius of lower extruding pelletizations, by grain
Material is placed in drying 5 hours in 85 degrees Celsius of baking oven, and pellet squeezes out after drying, then by single screw extrusion machine, single screw rod
The desired temperature of extruder is：207 degrees Celsius of feeding section；227 degrees Celsius of compression section；248 degrees Celsius of metering section；Mouth mold section
226 degrees Celsius, under the active force of dragger, silk material is drawn, is wound to get the high tenacity 3D printing by winder
Use composite material.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, although with reference to aforementioned reality
Applying example, invention is explained in detail, for those skilled in the art, still can be to aforementioned each implementation
Technical solution recorded in example is modified or equivalent replacement of some of the technical features.All essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (9)
1. a kind of high tenacity 3D printing composite material, which is characterized in that include the raw material of following parts by weight meter：Polypropylene 40-
50 parts, 30-40 parts of polyethylene terephthalate, 18-26 parts of lignin, 8-15 parts of polypropylene fibre, nanometer silica gel 5-9
Part, 6-10 parts of aerosil, 5-9 parts of blanc fixe, 5-9 parts of silicon carbide, 4-8 parts of tung oil, 2-4 parts of 2-methylimidazole, idol
Join 3-7 parts of 1.8-3.5 parts of agent and plasticizer.
2. high tenacity 3D printing composite material according to claim 1, which is characterized in that including following parts by weight meter
Raw material：43-47 parts of polypropylene, 33-37 parts of polyethylene terephthalate, 21-23 parts of lignin, polypropylene fibre 10-13
Part, 6-8 parts of nanometer silica gel, 7-9 parts of aerosil, 6-8 parts of barite, 6-8 parts of silicon carbide, 5-7 parts of tung oil, 2- methyl miaows
5-7 parts of 2.5-3.5 parts of azoles, 2.4-2.9 parts of coupling agent and plasticizer.
3. high tenacity 3D printing composite material according to claim 1, which is characterized in that including following parts by weight meter
Raw material：45 parts of polypropylene, 35 parts of polyethylene terephthalate, 22 parts of lignin, 12 parts of polypropylene fibre, nanometer silica gel 7
Part, 8 parts of aerosil, 7 parts of barite, 7 parts of silicon carbide, 6 parts of tung oil, 3 parts of 2-methylimidazole, 2.7 parts of coupling agent and increasing
Mould 6 parts of agent.
4. high tenacity 3D printing composite material according to claim 1, which is characterized in that the coupling agent is titanate esters
Any one of coupling agent, aluminate coupling agent or silane coupling agent.
5. high tenacity 3D printing composite material according to claim 1, which is characterized in that the plasticizer is adjacent benzene two
One or more of formic acid dioctyl ester, tributyl 2-acetylcitrate and epoxidized soybean oil combine.
6. a kind of preparation method of high tenacity 3D printing composite material as described in any one in claim 1-5, feature exist
In including the following steps：
(1) each component is weighed according to the raw material weight number of high tenacity 3D printing composite material；
(2) lignin, polypropylene fibre, nanometer silica gel, aerosil, blanc fixe, silicon carbide are respectively placed in vacuum
It is 4-7 hours dry in baking oven；
(3) lignin, polypropylene fibre, nanometer silica gel, aerosil, blanc fixe, the silicon carbide after drying are added
In high-speed mixer, it is warming up to 50-60 degrees Celsius, after mixing 3-6 minutes, silane coupling agent is added and tung oil continues to mix 10-
15 minutes, polypropylene and polyethylene terephthalate is added, is warming up to 75-90 degrees Celsius, after mixing 5-10 minutes, is added
2-methylimidazole and plasticizer mix 15-20 minutes；
(4) mixture made from step (3) is placed on double screw extruder in 250-260 degrees Celsius of lower extruding pelletization, by grain
Material squeezed out after drying, then by single screw extrusion machine, under the active force of dragger, draw silk material, by winder into
Row winding is to get the high tenacity 3D printing composite material.
7. the preparation method of high tenacity 3D printing composite material according to claim 6, which is characterized in that the step
(1) temperature of vacuum drying oven is 70-80 degrees Celsius in.
8. the preparation method of high tenacity 3D printing composite material according to claim 6, which is characterized in that the step
(4) pellet drying is that pellet is placed in drying 4-6 hours in 80-90 degrees Celsius of baking oven in.
9. the preparation method of high tenacity 3D printing composite material according to claim 6, the single screw extrusion machine
Desired temperature is：20O-210 degrees Celsius of feeding section；220-230 degrees Celsius of compression section；245-250 degrees Celsius of metering section；Mouth mold
220-230 degrees Celsius of section.
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Cited By (5)
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| CN110951157A (en) * | 2019-11-05 | 2020-04-03 | 山东霞光集团有限公司 | 3D printing material and preparation method thereof |
| CN112670879A (en) * | 2020-12-28 | 2021-04-16 | 国网河南省电力公司检修公司 | SF6 gas leakage stoppage process for high-voltage combined electrical apparatus |
| CN113621203A (en) * | 2021-09-15 | 2021-11-09 | 南通理工学院 | Conductive 3D printing material and preparation method thereof |
| CN114031861A (en) * | 2021-10-26 | 2022-02-11 | 中国石油化工股份有限公司 | High-toughness polypropylene-based nano composite material and preparation method thereof |
| CN115785571A (en) * | 2022-12-09 | 2023-03-14 | 万华化学（宁波）有限公司 | 3D printing polypropylene particle for large industrial model and outdoor building and preparation method thereof |
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| CN114031861A (en) * | 2021-10-26 | 2022-02-11 | 中国石油化工股份有限公司 | High-toughness polypropylene-based nano composite material and preparation method thereof |
| CN114031861B (en) * | 2021-10-26 | 2023-12-29 | 中国石油化工股份有限公司 | High-toughness polypropylene-based nanocomposite and preparation method thereof |
| CN115785571A (en) * | 2022-12-09 | 2023-03-14 | 万华化学（宁波）有限公司 | 3D printing polypropylene particle for large industrial model and outdoor building and preparation method thereof |
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